通过发动机台架试验和摩托车道路试验检测，效果比较显著。
The bench test and road test show that the effect is striking.
介绍了多级四代油的配方研制、发动机台架评定及行车试验结果。
Its formulation development and the platform test as well as the road test are presented.
介绍了多级四代油的配方研制、发动机台架评定及行车试验结果。
Its formulation development and the platform test as well as the road test are presented.
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